/* ===== Tokens ===== */
:root{
  --bg-void: #050810;
  --bg-panel: #0A0E1C;
  --bg-panel-2: #0D1224;
  --line: rgba(255,255,255,0.08);

  --cyan: #29B6F6;
  --indigo: #6C63FF;
  --violet: #A855F7;
  --magenta: #EC4899;

  --text-1: #F4F6FB;
  --text-2: #A8AFC2;
  --text-3: #6E7488;

  --fail: #F87171;
  --pass: #34D399;

  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-indic: 'Noto Sans Telugu', 'Noto Sans Devanagari', 'Inter', sans-serif;

  --radius: 14px;
  --wrap: 1180px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  background: var(--bg-void);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; }

.wrap{
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 28px;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; }
}

/* subtle grain / vignette */
.grain{
  position: fixed; inset:0; pointer-events:none; z-index: 0;
  background:
    radial-gradient(1200px 700px at 82% 8%, rgba(108,99,255,0.10), transparent 60%),
    radial-gradient(900px 600px at 10% 80%, rgba(41,182,246,0.06), transparent 60%);
}

.grad-text{
  background: linear-gradient(90deg, var(--cyan), var(--indigo) 40%, var(--violet) 70%, var(--magenta));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ===== Eyebrow ===== */
.eyebrow{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin: 0 0 14px;
  padding-left: 14px;
  position: relative;
  color: var(--text-2);
}
.eyebrow::before{
  content:'';
  position:absolute; left:0; top:50%; transform: translateY(-50%);
  width:7px; height:7px; border-radius:50%;
}
.eyebrow--cyan::before{ background: var(--cyan); box-shadow:0 0 10px var(--cyan); }
.eyebrow--indigo::before{ background: var(--indigo); box-shadow:0 0 10px var(--indigo); }
.eyebrow--violet::before{ background: var(--violet); box-shadow:0 0 10px var(--violet); }
.eyebrow--magenta::before{ background: var(--magenta); box-shadow:0 0 10px var(--magenta); }

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 14.5px;
  border: 1px solid transparent;
  cursor:pointer;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  white-space: nowrap;
}
.btn--primary{
  background: linear-gradient(90deg, var(--cyan), var(--indigo));
  color: #04070F;
}
.btn--primary:hover{ transform: translateY(-2px); box-shadow: 0 10px 24px rgba(108,99,255,0.35); }
.btn--outline{
  border-color: var(--line);
  color: var(--text-1);
  background: rgba(255,255,255,0.02);
}
.btn--outline:hover{ border-color: rgba(255,255,255,0.25); transform: translateY(-2px); }
.btn--ghost{
  border-color: var(--line);
  color: var(--text-1);
  padding: 10px 20px;
  font-size: 13.5px;
}
.btn--ghost:hover{ border-color: var(--cyan); }

/* ===== Nav ===== */
.nav{
  position: sticky; top:0; z-index: 50;
  background: rgba(5,8,16,0.72);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav__inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.wordmark{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.06em;
  display:inline-flex; align-items:center; gap:6px;
}
.wordmark__dot{
  width:7px; height:7px; border-radius:50%;
  background: linear-gradient(135deg, var(--cyan), var(--magenta));
  display:inline-block;
  margin-bottom: -2px;
}
.wordmark--small{ font-size:16px; }
.nav__links{ display:flex; gap:34px; }
.nav__links a{
  font-size: 14px; color: var(--text-2);
  transition: color .15s ease;
}
.nav__links a:hover{ color: var(--text-1); }
.nav__cta{ }
.nav__burger{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:34px; height:34px; background:none; border:none; cursor:pointer;
}
.nav__burger span{ height:2px; background: var(--text-1); border-radius:2px; }

@media (max-width: 880px){
  .nav__links{
    position:absolute; top:76px; left:0; right:0;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--line);
    flex-direction:column; gap:0;
    max-height:0; overflow:hidden;
    transition: max-height .25s ease;
  }
  .nav__links.is-open{ max-height: 260px; }
  .nav__links a{ padding: 16px 28px; border-top: 1px solid var(--line); }
  .nav__cta{ display:none; }
  .nav__burger{ display:flex; }
}

/* ===== Hero ===== */
.hero{ position:relative; z-index:1; padding: 76px 0 40px; }
.hero__inner{
  display:grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items:center;
  min-height: 62vh;
}
.hero__title{
  font-family: var(--font-display);
  font-size: clamp(34px, 4.6vw, 58px);
  line-height: 1.08;
  font-weight: 700;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}
.hero__sub{
  color: var(--text-2);
  font-size: 17px;
  max-width: 540px;
  margin: 0 0 34px;
}
.hero__ctas{ display:flex; gap:14px; flex-wrap:wrap; }

.hero__art{ position:relative; height: 420px; }
.flow-graphic{
  position:relative;
  width:100%; height: 100%;
  display:flex; align-items:center; justify-content:space-between;
  padding: 0 6px;
}
.flow-graphic__line{
  position:absolute; left:0; top:0; width:100%; height:100%;
}
.flow-graphic__line path{
  fill:none;
  stroke: rgba(255,255,255,0.16);
  stroke-width: 1.4;
}
.flow-node{
  position:relative; z-index:2;
  width: 84px; height:84px; border-radius:50%;
  display:flex; align-items:center; justify-content:center; flex-direction:column;
  background: var(--bg-void);
  border: 1.5px solid currentColor;
  box-shadow: 0 0 26px currentColor;
}
.flow-node svg{ width:26px; height:26px; }
.flow-node span{
  position:absolute; top: 100%; margin-top:12px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing:.08em; text-transform:uppercase;
  color: var(--text-2); white-space:nowrap;
}
.flow-node--cyan{ color: var(--cyan); }
.flow-node--indigo{ color: var(--indigo); }
.flow-node--violet{ color: var(--violet); }
.flow-node--magenta{ color: var(--magenta); }

.floating-chip{
  position:absolute;
  font-family: var(--font-indic);
  font-size: 13.5px;
  color: var(--text-2);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  padding: 8px 14px;
  border-radius: 999px;
  animation: drift 7s ease-in-out infinite;
}
.chip--1{ top: 4%; left: 2%; animation-delay: 0s; }
.chip--2{ bottom: 10%; left: 6%; animation-delay: 1.2s; }
.chip--3{ bottom: -2%; right: 8%; animation-delay: 2.4s; }
@keyframes drift{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

@media (max-width: 980px){
  .hero__inner{ grid-template-columns: 1fr; min-height:auto; }
  .hero__art{ height: 320px; order:-1; }
  .floating-chip{ display:none; }
}

/* ===== Sections ===== */
.section{ padding: 96px 0; position:relative; z-index:1; }
.section--panel{ background: var(--bg-panel); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.section__title{
  font-family: var(--font-display);
  font-size: clamp(26px, 3.4vw, 40px);
  font-weight: 600;
  line-height: 1.18;
  margin: 0 0 18px;
  max-width: 780px;
}
.section__sub{
  color: var(--text-2);
  font-size: 16px;
  max-width: 640px;
  margin: 0 0 48px;
}

/* ===== Demo widget ===== */
.demo{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.025), rgba(255,255,255,0.01));
  padding: 8px;
}
.demo__tabs{
  display:flex; gap:8px; flex-wrap:wrap;
  padding: 10px;
}
.demo__tab{
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--text-2);
  background: transparent;
  border: 1px solid var(--line);
  padding: 9px 14px;
  border-radius: 999px;
  cursor:pointer;
  transition: all .15s ease;
}
.demo__tab.is-active{
  color: var(--bg-void);
  background: linear-gradient(90deg, var(--cyan), var(--indigo));
  border-color: transparent;
}
.demo__stage{
  background: var(--bg-void);
  border-radius: calc(var(--radius) - 4px);
  padding: 28px;
}
.query-bar{
  display:flex; align-items:center; gap:12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 16px 22px;
  margin-bottom: 26px;
  background: rgba(255,255,255,0.02);
}
.query-bar__icon{ width:20px; height:20px; color: var(--text-3); flex-shrink:0; }
.query-bar__text{
  font-family: var(--font-indic);
  font-size: 17px;
  color: var(--text-1);
  min-height: 24px;
}
.query-bar__cursor{
  color: var(--cyan);
  animation: blink 1s step-start infinite;
}
@keyframes blink{ 50%{ opacity:0; } }

.demo__results{ display:grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.result-card{
  border-radius: 10px;
  padding: 18px 20px;
  border: 1px solid var(--line);
}
.result-card--fail{ background: rgba(248,113,113,0.06); border-color: rgba(248,113,113,0.25); }
.result-card--pass{ background: rgba(52,211,153,0.06); border-color: rgba(52,211,153,0.28); }
.result-card__label{
  font-family: var(--font-mono); font-size: 11.5px; text-transform:uppercase; letter-spacing:.08em;
  margin: 0 0 8px;
}
.result-card--fail .result-card__label{ color: var(--fail); }
.result-card--pass .result-card__label{ color: var(--pass); }
.result-card__body{ margin:0; color: var(--text-1); font-size: 15px; }

@media (max-width: 640px){
  .demo__results{ grid-template-columns: 1fr; }
}

/* ===== Steps ===== */
.steps{
  display:grid; grid-template-columns: repeat(4, 1fr); gap: 22px;
}
.step{
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  background: rgba(255,255,255,0.015);
  position:relative;
}
.step__icon{
  width:46px; height:46px; border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  border: 1px solid currentColor;
  margin-bottom: 18px;
}
.step__icon svg{ width:22px; height:22px; }
.step__icon--cyan{ color: var(--cyan); }
.step__icon--indigo{ color: var(--indigo); }
.step__icon--violet{ color: var(--violet); }
.step__icon--magenta{ color: var(--magenta); }
.step__no{
  position:absolute; top:24px; right:22px;
  font-family: var(--font-mono); font-size: 12px; color: var(--text-3);
}
.step h3{ font-family: var(--font-display); font-size: 19px; margin: 0 0 10px; }
.step p{ color: var(--text-2); font-size: 14.5px; margin:0; }

@media (max-width: 980px){
  .steps{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px){
  .steps{ grid-template-columns: 1fr; }
}

/* ===== Platforms ===== */
.platform-grid{
  display:flex; flex-wrap:wrap; gap: 12px;
}
.platform-chip{
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text-1);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.02);
  transition: border-color .15s ease, transform .15s ease;
}
.platform-chip:hover{ border-color: var(--indigo); transform: translateY(-2px); }

/* ===== Roadmap ===== */
.roadmap{
  display:flex; gap:0; position:relative;
  border-top: 1px solid var(--line);
  padding-top: 40px;
  flex-wrap:wrap;
}
.roadmap__item{
  flex:1; min-width: 180px;
  display:flex; align-items:flex-start; gap:14px;
  position:relative;
  padding-right: 20px;
}
.roadmap__marker{
  width:12px; height:12px; border-radius:50%;
  background: var(--bg-panel-2);
  border: 2px solid var(--text-3);
  margin-top:4px; flex-shrink:0;
  position:relative;
}
.roadmap__marker::before{
  content:''; position:absolute; top:-42px; left:50%; transform:translateX(-50%);
  width:1px; height:38px; background: var(--line);
}
.roadmap__marker--active{
  border-color: var(--cyan); background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
}
.roadmap__stage{ font-family: var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color: var(--text-3); margin:0 0 4px; }
.roadmap__place{ font-family: var(--font-display); font-size: 19px; margin:0; }

/* ===== Contact / form ===== */
.contact{ max-width: 720px; }
.form{ display:flex; flex-direction:column; gap:18px; margin-top: 12px; }
.form__row{ display:grid; grid-template-columns: 1fr 1fr; gap:18px; }
.form label{
  display:flex; flex-direction:column; gap:8px;
  font-size: 13px; color: var(--text-2);
  font-family: var(--font-mono);
}
.form__full{ grid-column: 1 / -1; }
.form input, .form textarea{
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--text-1);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 13px 15px;
  resize: vertical;
}
.form input:focus, .form textarea:focus{
  outline: none; border-color: var(--cyan);
}
.form__note{ font-size: 14px; color: var(--pass); min-height: 20px; }
@media (max-width: 640px){ .form__row{ grid-template-columns: 1fr; } }

/* ===== Footer ===== */
.footer{ border-top: 1px solid var(--line); padding: 36px 0; }
.footer__inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:16px; }
.footer__tag{ margin: 6px 0 0; color: var(--text-3); font-size: 13px; }
.footer__copy{ color: var(--text-3); font-size: 13px; margin:0; }

/* ===== Reveal on scroll ===== */
.reveal{
  opacity: 0; transform: translateY(18px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.is-visible{ opacity:1; transform: translateY(0); }

/* focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--cyan); outline-offset: 3px;
}